Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 1 mA. 2 mA. 3 mA. 4 mA. 1 mA. 2 mA. 3 mA. 4 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for acceleration? Mass x acceleration Change in velocity / time Mass x velocity Force x displacement Mass x acceleration Change in velocity / time Mass x velocity Force x displacement ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter produces a full scale torque of 240 μNm with a deflection of 120° at a current of 10 A. The rate of change of self induction (μH/radian) of the instrument at full scale is 114.6 μH/radian. 12.0 μH/radian. 4.8 μH/radian. 2.0 μH/radian. 114.6 μH/radian. 12.0 μH/radian. 4.8 μH/radian. 2.0 μH/radian. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sinusoidal signal waveform, when observed on an oscilloscope, has a peak to peak amplitude of 6 cm. If the vertical sensitivity setting is 5 v/cm, then rms value of the voltage will be 15 V. 10.6 V. 12.6 V. 11.1 V. 15 V. 10.6 V. 12.6 V. 11.1 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Null type recorders are potentiometric recorders. LVDT recorders. any one of the above. bridge recorders. potentiometric recorders. LVDT recorders. any one of the above. bridge recorders. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The disc of an instrument using eddy current damping should be of None of the listed here Non conducting and magnetic material Conducting and non magnetic material Conducting and magnetic material None of the listed here Non conducting and magnetic material Conducting and non magnetic material Conducting and magnetic material ANSWER DOWNLOAD EXAMIANS APP
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